Komatsu SA6D140-1B Cylinder Block Parts Hub

Komatsu SA6D140-1B Cylinder Block Parts is a focused 19PARTS hub for buyers working inside a specific Komatsu engine model and repair system. It is meant to reduce guesswork by tying engine-model navigation to related product listings and part-number references.

Diagram callout lookup for Komatsu SA6D140-1B Cylinder Block Parts

Use each diagram together with the table directly below it. The Diagram Ref. column corresponds to the location number shown on that specific image. Clickable part numbers link to matching 19PARTS product pages where a product match exists.

SA6D140-1B — Cylinder Block(#10185-18979)

Komatsu SA6D140-1B Cylinder Block Parts diagram ENGINES/sa6d147c/060010a.png
ENGINES/sa6d147c/060010a.png · 40 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 04020-00820 Pin,Dowel 12 SN: 10185-18979
3 The part specified in the line above can be used instead of this part6210-41-2430 Pin 12 SN: 10185-11262
4 07043-70108 Plug 13 SN: 10185-18979
6 07046-42516 Plug 2 SN: 10185-18979
7 07046-41810 Plug 2 SN: 10185-18979
8 07046-11816 Plug 2 SN: 10185-18979
9 6210-21-1790 Bushing 2 SN: 10185-18979
12 6210-21-1490 Bushing,Camshaft 7 SN: 10185-18979
13 07046-47020 Plug 1 SN: 10185-18979
15 6210-81-9210 Plug 2 SN: 10185-18979
16 6150-21-4770 Pin,Dowel 2 SN: 10185-18979
18 04020-01024 Pin,Dowel 2 SN: 10185-18979
19 07043-00211 Plug 1 SN: 11263-18979
19 07043-00211 Plug 2 SN: 10185-11262
20 07046-42010 Plug 1 SN: 10185-18979
21 07046-42816 Plug 2 SN: 10185-18979
22 07043-00415 Plug 1 SN: 10185-18979
26 04020-00514 Pin,Dowel 2 SN: 10185-18979
27 6210-21-1390 Pin 6 SN: 10185-18979
29 01643-31845 Washer 14 SN: 10185-18979
30 07040-11007 Plug 2 SN: 17619-18979
30 07040-11007 Plug 1 SN: 10185-17618
31 07005-01012 Gasket (K2) 2 SN: 17619-18979
31 07005-01012 Gasket (K2) 1 SN: 10185-17618
32 07040-11409 Plug 4 SN: 17619-18979
32 07040-11409 Plug 1 SN: 10185-17618
33 07005-01412 Gasket (K2) 4 SN: 17619-18979
33 07005-01412 Gasket (K2) 1 SN: 10185-17618
34 6211-21-2220 Liner,Cylinder 6 SN: 10185-18979
35 6210-21-2250 Seal,Crevice (K2) 6 SN: 10185-18979
36 6210-21-2240 O-Ring,Center (K2) 6 SN: 10185-18979
37 6210-21-2230 O-Ring,Lower (K2) 6 SN: 10185-18979
38 6211-21-1820 Nozzle 1 SN: 10185-18979
41 01641-21016 Washer 6 SN: 10185-18979
43 07043-00415 Plug 2 SN: 10185-18979
45 6210-21-1970 Gasket (K2) 1 SN: 10185-18979
48 6211-21-1800 Nozzle Ass'Y 6 SN: 10185-18979
48 6696-61-9920 Gasket (K2) 1 SN: 10185-18979
50 07040-11409 Plug 1 SN: 10185-11686
51 07005-01412 Gasket (K2) 1 SN: 10185-11686

SA6D140-1B — Cylinder Block

Komatsu SA6D140-1B Cylinder Block Parts diagram ENGINES/sa6d145r/060010a.png
ENGINES/sa6d145r/060010a.png · 40 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 04020-00820 Pin,Dowel 12 SN: 10185-UP
3 The part specified in the line above can be used instead of this part6210-41-2430 Pin 12 SN: 10185-11262
4 07043-70108 Plug 13 SN: 10185-UP
6 07046-42516 Plug 2 SN: 10185-UP
7 07046-41810 Plug 2 SN: 10185-UP
8 07046-11816 Plug 2 SN: 10185-UP
9 6210-21-1790 Bushing 2 SN: 10185-UP
12 6210-21-1490 Bushing,Camshaft 7 SN: 10185-UP
13 07046-47020 Plug 1 SN: 10185-UP
15 6210-81-9210 Plug 2 SN: 10185-UP
16 6150-21-4770 Pin,Dowel 2 SN: 10185-UP
18 04020-01024 Pin,Dowel 2 SN: 10185-UP
19 07043-00211 Plug 1 SN: 11263-UP
19 07043-00211 Plug 2 SN: 10185-11262
20 07046-42010 Plug 1 SN: 10185-UP
21 07046-42816 Plug 2 SN: 10185-UP
22 07043-00415 Plug 1 SN: 10185-UP
26 04020-00514 Pin,Dowel 2 SN: 10185-UP
27 6210-21-1390 Pin 6 SN: 10185-UP
29 01643-31845 Washer 14 SN: 10185-UP
30 07040-11007 Plug 2 SN: 17619-UP
30 07040-11007 Plug 1 SN: 10185-17618
31 07005-01012 Gasket (K2) 2 SN: 17619-UP
31 07005-01012 Gasket (K2) 1 SN: 10185-17618
32 07040-11409 Plug 4 SN: 17619-UP
32 07040-11409 Plug 1 SN: 10185-17618
33 07005-01412 Gasket (K2) 4 SN: 17619-UP
33 07005-01412 Gasket (K2) 1 SN: 10185-17618
34 6211-21-2220 Liner,Cylinder 6 SN: 10185-UP
35 6210-21-2250 Seal,Crevice (K2) 6 SN: 10185-UP
36 6210-21-2240 O-Ring,Center (K2) 6 SN: 10185-UP
37 6210-21-2230 O-Ring,Lower (K2) 6 SN: 10185-UP
38 6211-21-1800 Nozzle Ass'Y 6 SN: 10185-UP
38 6211-21-1820 Nozzle 1 SN: 10185-UP
41 01641-21016 Washer 6 SN: 10185-UP
43 07043-00415 Plug 2 SN: 10185-UP
45 6210-21-1970 Gasket (K2) 1 SN: 10185-UP
48 6696-61-9920 Gasket (K2) 1 SN: 10185-UP
50 07040-11409 Plug 1 SN: 10185-11686
51 07005-01412 Gasket (K2) 1 SN: 10185-11686

SA6D140-1B — Piston And Connecting Rod(#10185-18979)

Komatsu SA6D140-1B Cylinder Block Parts diagram ENGINES/sa6d147c/060160a.png
ENGINES/sa6d147c/060160a.png · 25 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
1 6212-31-2170 Piston 6 SN: 18976-18979
1 The part and the part specified in the line immediately above are interchangeable.6212-31-2110 Piston 6 SN: 10185-13976
1 The part specified in the line above can be used instead of this part6212-31-2151 Piston 6 SN: 13977-18975
1 This shows a discontinued part. The part specified in the above line is supplied instead.6210-31-2150 Piston 6 SN: (13977-17032)
2 6211-31-2410 Pin,Piston 6 SN: 10185-18979
3 04065-05220 Ring,Snap 12 SN: 10185-18979
4 6211-31-2050 Piston Ring Ass'Y,Per Cylinder 6 SN: 18976-18979
4 The part specified in the line above can be used instead of this part6211-31-2033 Piston Ring Ass'Y,Per Cylinder 6 SN: 10185-18975
4 This shows a discontinued part. The part specified in the above line is supplied instead.6211-31-2030 Piston Ring Ass'Y,Per Cylinder 6 SN: (10185-10591)
4 This shows a discontinued part. The part specified in the above line is supplied instead.6211-31-2031 Piston Ring Ass'Y,Per Cylinder 6 SN: (10185-16493)
4 This shows a discontinued part. The part specified in the above line is supplied instead.6211-31-2032 Piston Ring Ass'Y,Per Cylinder 6 SN: (10185-.)
9 6211-31-3130 Bushing 1 SN: 10185-18979
10 02400-10413 Pin,Dowel 2 SN: 10185-18979
11 6210-31-3310 Bolt 2 SN: 10185-18979
12 6210-36-3041 Metal Ass'Y 6 SN: 17619-18979
12 6210-37-3041 Metal Ass'Y 6 SN: 17619-18979
12 6210-38-3041 Metal Ass'Y 6 SN: 17619-18979
12 6210-39-3041 Metal Ass'Y 6 SN: 17619-18979
12 The part specified in the line above can be used instead of this part6210-36-3040 Metal Ass'Y 6 SN: 10185-17618
12 The part specified in the line above can be used instead of this part6210-37-3040 Metal Ass'Y 6 SN: 10185-17618
12 The part specified in the line above can be used instead of this part6210-38-3040 Metal Ass'Y 6 SN: 10185-17618
12 The part specified in the line above can be used instead of this part6210-39-3040 Metal Ass'Y 6 SN: 10185-17618
20 6211-31-3100 Connecting Rod Ass'Y 6 SN: 10185-18979
27 6210-31-3041 Metal Ass'Y 6 SN: 17619-18979
28 The part specified in the line above can be used instead of this part6210-31-3040 Metal Ass'Y 6 SN: 10185-17618

SA6D140-1B — Piston And Connecting Rod

Komatsu SA6D140-1B Cylinder Block Parts diagram ENGINES/sa6d145r/060150a.png
ENGINES/sa6d145r/060150a.png · 22 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
1 6212-31-2151 Piston 6 SN: 13977-UP
1 The part and the part specified in the line immediately above are interchangeable.6212-31-2110 Piston 6 SN: 10185-13976
1 This shows a discontinued part. The part specified in the above line is supplied instead.6210-31-2150 Piston 6 SN: (13977-17032)
2 6211-31-2410 Pin,Piston 6 SN: 10185-UP
3 04065-05220 Ring,Snap 12 SN: 10185-UP
4 6211-31-2032 Piston Ring Ass'Y,Per Cylinder 6 SN: 10592-UP
4 The part specified in the line above can be used instead of this part6211-31-2030 Piston Ring Ass'Y,Per Cylinder 6 SN: 10185-10591
4 This shows a discontinued part. The part specified in the above line is supplied instead.6211-31-2031 Piston Ring Ass'Y,Per Cylinder 6 SN: (10592-16493)
7 6211-31-3100 Connecting Rod Ass'Y 6 SN: 10185-UP
9 6211-31-3130 Bushing 1 SN: 10185-UP
10 02400-10413 Pin,Dowel 2 SN: 10185-UP
11 6210-31-3310 Bolt 2 SN: 10185-UP
12 6210-31-3041 Metal Ass'Y 6 SN: 17619-UP
12 6210-36-3041 Metal Ass'Y 6 SN: 17619-UP
12 6210-37-3041 Metal Ass'Y 6 SN: 17619-UP
12 6210-38-3041 Metal Ass'Y 6 SN: 17619-UP
12 6210-39-3041 Metal Ass'Y 6 SN: 17619-UP
12 The part specified in the line above can be used instead of this part6210-31-3040 Metal Ass'Y 6 SN: 10185-17618
12 The part specified in the line above can be used instead of this part6210-36-3040 Metal Ass'Y 6 SN: 10185-17618
12 The part specified in the line above can be used instead of this part6210-37-3040 Metal Ass'Y 6 SN: 10185-17618
12 The part specified in the line above can be used instead of this part6210-38-3040 Metal Ass'Y 6 SN: 10185-17618
12 The part specified in the line above can be used instead of this part6210-39-3040 Metal Ass'Y 6 SN: 10185-17618

SA6D140-1B — Front Cover And Front Support(#10185-18979)

Komatsu SA6D140-1B Cylinder Block Parts diagram ENGINES/sa6d147c/060040a.png
ENGINES/sa6d147c/060040a.png · 24 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 07046-11816 Plug 3 SN: 10185-18979
5 01010-51280 Bolt 1 SN: 10185-18979
7 01640-21223 Washer 5 SN: 10185-18979
9 01640-21016 Washer 3 SN: 10185-18979
11 01640-21016 Washer 2 SN: 10185-18979
14 01010-31030 Bolt 4 SN: 10185-18979
17 01640-21016 Washer 2 SN: 10185-18979
19 The part specified in the line above can be used instead of this part07281-00359 Clamp 2 SN: 10185-11282
24 07000-03050 O-Ring (K2) 1 SN: 10185-18979
25 01010-50616 Bolt 2 SN: 10185-18979
27 06030-06004 Bearing,Ball 2 SN: 10185-12327
27 06030-06204 Bearing,Ball 2 SN: 12328-18979
28 04065-04218 Ring,Snap 1 SN: 10185-12327
32 07012-00025 Seal,Oil (K2) 1 SN: 10185-12327
32 07012-00028 Seal,Oil (K2) 1 SN: 12328-18979
34 07000-02060 O-Ring (K2) 1 SN: 10185-18979
38 01640-20610 Washer 2 SN: 10185-18979
39 6150-21-3230 Seal, Front (K2) 1 SN: 10185-18979
45 01640-21223 Washer 7 SN: 10185-18979
46 09920-00150 Liquid Gasket,Lg-7, 150G - SN: 10185-14246
15A 07000-62060 O-Ring (K2) 1 SN: 14247-18979
23A 6130-82-5270 Gasket 1 SN: 10185-18979
25A 01640-20610 Washer 2 SN: 10185-18979
3A 6210-21-3250 Gasket (K2) 1 SN: 12844-18979

SA6D140-1B — Front Cover And Front Support

Komatsu SA6D140-1B Cylinder Block Parts diagram ENGINES/sa6d145r/060040a.png
ENGINES/sa6d145r/060040a.png · 24 listed callout rows
Diagram Ref. Part Number Description Qty Serial / Option Notes
2 07046-11816 Plug 3 SN: 10185-UP
5 01010-51280 Bolt 1 SN: 10185-UP
7 01640-21223 Washer 5 SN: 10185-UP
9 01640-21016 Washer 3 SN: 10185-UP
11 01640-21016 Washer 2 SN: 10185-UP
14 01010-31030 Bolt 4 SN: 10185-UP
17 01640-21016 Washer 2 SN: 10185-UP
19 The part specified in the line above can be used instead of this part07281-00359 Clamp 2 SN: 10185-11282
24 07000-03050 O-Ring (K2) 1 SN: 10185-UP
25 01010-50616 Bolt 2 SN: 10185-UP
27 06030-06004 Bearing,Ball 2 SN: 10185-12327
27 06030-06204 Bearing,Ball 2 SN: 12328-UP
28 04065-04218 Ring,Snap 1 SN: 10185-12327
32 07012-00025 Seal,Oil (K2) 1 SN: 10185-12327
32 07012-00028 Seal,Oil (K2) 1 SN: 12328-UP
34 07000-02060 O-Ring (K2) 1 SN: 10185-UP
38 01640-20610 Washer 2 SN: 10185-UP
39 6150-21-3230 Seal¤ Front (K2) 1 SN: 10185-UP
45 01640-21223 Washer 7 SN: 10185-UP
46 09920-00150 Liquid Gasket,Lg-7¤ 150G - SN: 10185-14246
15A 07000-62060 O-Ring (K2) 1 SN: 14247-UP
23A 6130-82-5270 Gasket 1 SN: 10185-UP
25A 01640-20610 Washer 2 SN: 10185-UP
3A 6210-21-3250 Gasket (K2) 1 SN: 12844-UP

Shop the Komatsu SA6D140-1B Cylinder Block Parts collection

SA6D140-1B Cylinder Block Parts lookup notes

Use this hub when the repair has already been narrowed to cylinder block parts. Confirm each part against the engine serial range, parts-book callout, quantity, and option notes before ordering.

Related parent hubs

Featured parts in this hub

This hub includes 35 linked product listings. Use the collection link above to browse the full set.

Parts-book verification before ordering

Komatsu engine parts often change by engine arrangement, serial range, diagram callout, and option note. 19PARTS uses engine-model organization to help you move from a broad Komatsu part number search into a tighter reference path, but final fitment should always be confirmed against your engine serial number and parts book.

Our Keep Ops Moving approach is simple: give buyers cleaner lookup paths, clear part-number references, and practical cross-navigation so rebuild shops, fleet teams, mechanics, and equipment owners can identify the right components faster.